Report a Problem
To file a complaint about pests (including rodents and cockroaches) in these places:
- Rental properties (apartment buildings with 4 units or more)
- Hotels, motels, bed and breakfasts
- Mobile home parks (within unincorporated San Mateo County)
- Organized camps
- Employee housing
- Detention facilities
Call (650) 599-1112 or use the Online Complaint Form.
Only stormwater is allowed to enter into the storm drain. The cities and County of San Mateo protect stormwater from pollution by inspecting industrial and commercial businesses, managing construction and redevelopment activities, and providing education and outreach to businesses and residents of San Mateo County. Help protect our community and waterways by reporting stormwater pollution when you see it.
The Hazardous Materials Program protects public health and safety and the environment from improper handling and/or disposal of hazardous materials.
If you are aware of suspected illegal or unauthorized activity that might impact public health or the environment, please report it by filing out the Online Complaint Form or calling (650) 372-6200.